3489945 has 8 divisors (see below), whose sum is σ = 5583936. Its totient is φ = 1861296.

The previous prime is 3489943. The next prime is 3489973. The reversal of 3489945 is 5499843.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3489945 - 2¹ = 3489943 is a prime.

It is a super-2 number, since 2×3489945² = 24359432206050, which contains 22 as substring.

It is a Curzon number.

It is a plaindrome in base 14.

It is a zygodrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 3489897 and 3489906.

It is not an unprimeable number, because it can be changed into a prime (3489943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116317 + ... + 116346.

It is an arithmetic number, because the mean of its divisors is an integer number (697992).

Almost surely, 2^3489945 is an apocalyptic number.

It is an amenable number.

3489945 is a deficient number, since it is larger than the sum of its proper divisors (2093991).

3489945 is a wasteful number, since it uses less digits than its factorization.

3489945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232671.

The product of its digits is 155520, while the sum is 42.

The square root of 3489945 is about 1868.1394487564. The cubic root of 3489945 is about 151.6839143664.

The spelling of 3489945 in words is "three million, four hundred eighty-nine thousand, nine hundred forty-five".